{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["protein", "DNA", "RNA", "cell line", "cell type"], "input": "Tax expressing T cell lines contained a constitutive level of NF-kappa B binding activity , detectable by mobility shift assay and uv cross-linking using a palindromic NF-kappa B probe homologous to the interferon beta PRDII site ."}
{"protein": ["Tax", "NF-kappa B"], "DNA": ["palindromic NF-kappa B probe", "interferon beta PRDII site"], "RNA": [], "cell line": ["Tax expressing T cell lines"], "cell type": []}